/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
Prepares the parser for cycle checking on a given pin. This marks up the parents and childen of the corresponding expression in the graph, to allow the client to determine if a new parent / child relationship could cause a cycle.
void PrepareCycleChecking ( [URigVMPin](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin) * InPin )